JP5641640B2 - Aerosol-type toilet rim cleaner - Google Patents

Description

  Conventionally, a scale remover disclosed in Patent Document 1 below or a urine stone adhesion preventing device disclosed in Patent Document 2 has been used to remove or prevent dirt (urine stone) attached to a toilet bowl. Is provided.

  The scale remover of Patent Document 1 is intended to prevent corrosion and hydrogen embrittlement of metal materials, and to remove strong scales attached to toilet piping and tanks. It is comprised by the composition which contains salt and water and shows alkalinity. In addition, the urine stone adhesion prevention device of Patent Document 2 cleans the toilet bowl by flowing out alkaline modified water having a cleaning effect that is generated in an electrolytic chamber in which an intermediate electrode made of magnesium is disposed. It is a device to prevent the adhesion of stones.

  Here, in recent years, cleaning agents and cleaning brushes are difficult to reach, such as the inside of the rim part of the toilet bowl (the back side of the edge), and in particular, the cleaning agent is concentrated toward a position where dirt such as urine stones tends to accumulate. In order to enable cleaning by spraying, an aerosol type toilet rim cleaning agent in which an aerosol container is filled with a cleaning agent is provided.

  Such an aerosol type toilet rim cleaner must contain a propellant in a metal pressure-resistant container (aerosol can) together with the detergent, so that the sealable detergent is alkaline to prevent corrosion and rupture of the container. The actual situation is limited to those.

JP 2002-201495 A JP 2003-290768 A

  However, if an alkaline remover or modified water disclosed in Patent Document 1 or Patent Document 2 is used for a metal aerosol can, dirt in the toilet rim caused by urine stones can be washed or prevented from adhering. Although it is possible, the cleaning ability is lower than when an acidic cleaning agent is used.

  For this reason, conventional aerosol cleaners are capable of cleaning parts that are difficult to reach by cleaners and brushes, but are insufficient for cleaning dirt that adheres strongly, such as dirt from urine stones. I have to say that.

  Therefore, an object of the present invention is to provide an aerosol type toilet rim cleaning agent capable of injecting an acidic cleaning agent that effectively acts on dirt due to urine stones or the like toward a desired position.

In order to solve the above-described problems, the present invention provides:
An acidic detergent containing a hydroxycarboxylic acid and / or a salt thereof;
A propellant,
A metal aerosol container having an inner surface covered with a protective film having corrosion resistance to the cleaning agent and filled with the cleaning agent and the propellant;
Providing
An aerosol-type toilet rim cleaner is provided.

  In the aerosol toilet rim cleaning agent of the present invention, the pH of the cleaning agent is preferably in the range of 4.3 ± 0.3.

  In the aerosol toilet rim cleaner according to the present invention, the hydroxycarboxylic acid is preferably glycolic acid.

  In the aerosol toilet rim cleaning agent of the present invention, the aerosol container includes an injection port for injecting the cleaning agent to the outside, and an injection pipe connected to the injection port. desirable.

  The aerosol type toilet rim cleaning agent of the present invention uses an acidic cleaning agent, but the inner metal surface of the metal aerosol container is protected from the cleaning agent by a protective film having corrosion resistance to the cleaning agent. Because it is protected, the aerosol container will not corrode or burst due to corrosion.

  Further, the cleaning agent used in the aerosol toilet rim cleaning agent of the present invention contains hydroxycarboxylic acid and / or a salt thereof, and easily cleans dirt due to urine stones attached to the toilet. Is possible.

  Furthermore, since the cleaning agent in the aerosol type toilet rim of the present invention can be sprayed with a propellant, it concentrates on a position where dirt such as the inner side of the toilet rim easily accumulates. It is possible to effectively clean the surface by spraying a cleaning agent.

  The aerosol-type toilet rim cleaning agent of the present invention uses a weakly acidic cleaning agent having a pH in the range of 4.3 ± 0.3, thereby making it possible to easily clean stains caused by urine stones, while maintaining an aerosol container. It is possible to reliably prevent corrosion and rupture.

  By using glycolic acid as the hydroxycarboxylic acid, the aerosol-type toilet rim cleaning agent of the present invention can easily clean urine stones.

  The aerosol type toilet rim cleaning agent of the present invention is desirable because the aerosol container includes an injection port for injecting the cleaning agent to the outside and an injection pipe connected to the injection port. It is possible to spray the cleaning agent toward the position. In particular, it is possible to spray the cleaning agent easily and accurately by inserting the injection pipe even in a position where it is difficult to see the cleaning agent or brush from the outside, such as the inside of the toilet rim. It becomes.

It is a perspective view which shows the state which the container main body of the aerosol type toilet bowl rim cleaning agent based on one Embodiment of this invention fractured | ruptured partially.

  Next, an aerosol type toilet rim cleaning agent according to an embodiment of the present invention will be described in detail with reference to FIG. However, the present invention is not limited to such an embodiment. FIG. 1 is a perspective view showing a partially broken state of a container body of an aerosol type toilet rim cleaning agent 10 according to an embodiment of the present invention.

  The aerosol type toilet rim cleaning agent 10 of the present embodiment can be suitably used for cleaning the inner side (back side of the edge) of the toilet rim. As shown in FIG. Are filled with the cleaning agent 30 and the propellant 40. The aerosol container 20 is made of a high-purity aluminum alloy and has a pressure-resistant container body 22 composed of a bottomed cylindrical can, a resin injection section 24, and a valve for sealing an opening of the container body 22 ( (Not shown).

  The container body 22 has an inner metal surface protected by a protective film 26. The protective film 26 is made of a material having corrosion resistance against the acidic cleaning agent 30. Specifically, the protective film 26 is formed of a thin film such as polyethylene terephthalate, polypropylene, polyethylene, eval, polyamide-imide resin, and epoxy phenol, or a laminated film in which these thin films are laminated. The protective film 26 may have either a single layer structure or a multilayer structure as long as it has corrosion resistance. The inventors of the present invention have found that a protective film particularly composed of polyamideimide resin or epoxyphenol is excellent in long-term corrosion resistance against acidic detergents.

  The container body 22 may be formed by any method. For example, the container body 22 may be formed through a cupping process, a molding process, a cleaning process, a painting / printing process, a baking / drying process, and a necking / flanger process. Is possible.

  Specifically, when the container body 22 is formed by the above-described method, first, in the cupping process, a circular blank is punched from an aluminum plate or an aluminum alloy plate wound in a coil shape and coated with lubricating oil, and this is pressed. Etc. to form a cup shape. The cup formed in this manner is subjected to drawing / ironing processing (DI processing) in a molding process to form a bottomed cylindrical body.

  Thereafter, the lubricating oil adhering to the inner and outer surfaces of the bottomed cylindrical body is removed in the cleaning step. In the painting / printing process, printing and painting are performed on the outer surface of the bottomed cylindrical body, and the solution prepared for forming the protective film 26 is painted on the inner surface of the bottomed cylindrical body. Thereafter, the protective film 26 is formed on the inner surface of the bottomed cylindrical body by drying and curing in a baking drying oven or the like. The container main body 22 is formed by performing processing (necking processing) for narrowing and narrowing the neck portion of the bottomed cylindrical body formed in this way and processing for crimping the lid (flanger processing).

  The injection unit 24 includes a resin injection button 24a provided on the upper end side of the container body 22, an injection port 24b, and an injection tube 24c connected to the injection port 24b. The injection port 24b is formed in the injection button 24a. The injection tube 24c is a long and thin tube, and is attached so as to communicate with the injection port 24b.

  The injection unit 24 has a structure in which an injection button 24a and a valve (not shown) provided to seal the opening of the container body 22 are connected, and by pressing the injection button 24, The cleaning agent 30 can be injected together with the propellant 40 through the injection port 24a and the injection pipe 24b. The injection tube 24b may be appropriately removable from the injection port 24b or may be integrally attached to the injection port 24b.

  The cleaning agent 30 is composed of an acidic aqueous solution that can be suitably used for cleaning the toilet bowl (particularly in the rim). The cleaning agent 30 is mainly composed of a component for cleaning dirt (cleaning component), a component that mainly exerts a sterilizing action (disinfecting component), a component that mainly decomposes urine stone (urine stone decomposing component), and mainly water. Ingredients such as a component for softening (water softening component), a component mainly for assisting wetting and cleaning (wetting / cleaning assisting component), a coloring component, a deodorizing component and the like are water-soluble.

  As the cleaning component, a conventionally known cleaning component (preferably acidic to neutral) can be used, and polyoxyalkylene alkyl ether, alkyldimethylamine oxide, alkyl polyglucoside, alkylaminoacetic acid betaine and the like are preferably used. Can do.

  The cleaning component may be constituted by a single substance or may be constituted by mixing two or more kinds of substances. In the present embodiment, a mixture of polyoxyalkylene alkyl ether, alkyldimethylamine oxide, alkylpolyglucoside, and alkylaminoacetic acid betaine is employed as a dirt cleaning component, and 2% by weight relative to the total amount of the cleaning agent 30, respectively. , 8%, 3%, and 6%.

  Moreover, as a disinfection component, a conventionally well-known thing can be used, for example, dialkyldimethylammonium chloride etc. can be used conveniently.

  The disinfecting component may be constituted by a single substance or may be constituted by mixing two or more kinds of substances. In the present embodiment, dialkyldimethylammonium chloride is employed as a sterilizing component, and is prepared so as to have a ratio of 0.5% by weight with respect to the total amount of the cleaning agent 30.

  As the urolith decomposition component, a conventionally known component can be used. For example, a component containing hydroxycarboxylic acid and a salt thereof is employed. Specifically, glycolic acid, which is a kind of hydroxycarboxylic acid, can be suitably used as the urolith decomposition component.

  The urolith decomposition component may be constituted by a single substance or may be constituted by mixing two or more substances. In this embodiment, glycolic acid is employed as a urolith decomposition component, and is prepared so as to have a ratio of 2% by weight with respect to the total amount of the cleaning agent 30.

  A conventionally well-known thing can be used as a water softening component, For example, nitrilotriacetic acid trisodium etc. can be used conveniently.

  The water softening component may be constituted by a single substance or may be constituted by mixing two or more substances. In this embodiment, nitrilotriacetic acid trisodium is employed as a water softening component, and is prepared so as to have a ratio of 1% by weight with respect to the total amount of the cleaning agent 30.

  As the wetting / cleaning auxiliary component, conventionally known components can be used, and for example, glycerin and the like can be preferably used.

  The wetting / cleaning component may be constituted by a single substance or may be constituted by mixing two or more substances. In the present embodiment, glycerin is employed as a wetting / cleaning auxiliary component, and the glycerin is prepared at a ratio of 10% by weight with respect to the total amount of the cleaning agent 30.

  The cleaning agent 30 employed in the present embodiment contains a small amount of a coloring component and a deodorizing component in addition to the components described above. The coloring component is composed of a dye, and the cleaning agent 30 can be colored in a desired color (blue in this embodiment). In addition, the deodorant component can be composed of a fragrance or the like, and can be appropriately selected.

  The cleaning agent 30 is prepared by dissolving the above-described components in purified water, and is a weakly acidic blue aqueous solution having a pH in the range of 4.3 ± 0.3. Specifically, the components and characteristics of the cleaning agent 30 employed in the present embodiment are as shown in Table 1 or Table 2.

  The propellant 40 is filled in the aerosol container 20 together with the cleaning agent 30 described above. The propellant 40 is not particularly limited. For example, propane, n-butane, isobutane, a gas that is a mixture thereof, liquefied natural gas (LPG) mainly containing methane, liquefied gas such as isopentane, dimethyl ether, and the like. Fluorocarbons such as chlorofluorocarbon 11 (registered trademark), chlorofluorocarbon 12 (registered trademark), chlorofluorocarbon 21 (registered trademark), chlorofluorocarbon 113 (registered trademark), chlorofluorocarbon 114 (registered trademark), nitrogen gas, carbon dioxide gas, etc. Can be mentioned. In the following embodiments, LPG is employed as the propellant 40.

  The aerosol type toilet rim cleaning agent 10 causes the cleaning agent 30 to be ejected together with the propellant 40 through the injection port 24b and the injection pipe 24c by pressing the injection button 24a, and sprays the cleaning agent 30 to a desired position. Can do. Moreover, the cleaning agent 30 is ejected in a foamy state.

  The aerosol-type toilet rim cleaning agent 10 has a structure in which the inner surface of the metal aerosol container 20 is protected by the protective film 26 and the acidic cleaning agent 30 does not directly touch the metal part. No corrosion or rupture due to corrosion occurs. Moreover, the cleaning agent 30 used for the aerosol type toilet rim cleaning agent 10 contains glycolic acid, which is a kind of hydroxycarboxylic acid, and a salt thereof, so that it is easy to stain with urine stones attached to the toilet bowl. It is possible to wash.

  Since the aerosol-type toilet rim cleaning agent 10 can inject the cleaning agent 30 with a propellant, a desired position such as a position where the cleaning agent and the brush are difficult to reach and dirt is likely to accumulate as in the toilet rim. It is possible to wash by spraying the cleaning agent 30 in a concentrated manner. Further, since the cleaning agent 30 is sprayed, the cleaning agent 30 can be sprayed from a remote position without contaminating the user's hand.

  In the present embodiment, as the most preferable example of the cleaning agent 30, an example in which a pH within the range of 4.3 ± 0.3 and a weak acid is used is illustrated, but the present invention is limited to this. Instead, it is possible to use a strongly acidic or weakly acidic one. In addition, when using the cleaning agent 30 different from what was employ | adopted in this embodiment, it is preferable to select the raw material of the protective film 26 formed in the inner surface of the container main body 22 in consideration of the liquid property.

  As described above, since the aerosol type toilet rim cleaning agent 10 is formed by connecting the injection pipe 24c to the injection port 24b, a place that is difficult to see from the outside, such as the toilet rim, a cleaning agent, a brush, or the like arrives. Even at a difficult position, the cleaning agent 30 can be sprayed easily and accurately by inserting the spray pipe 24c. In the present embodiment, the example in which the injection pipe 24b is connected to the injection port 24a is illustrated, but the present invention is not limited to this, and the injection pipe 24b may not be provided.

Subsequently, an experimental example of the aerosol type toilet rim cleaning agent of the present invention will be described.
Here, the water-cleaning agent for toilet bowl rim according to the present invention, which is composed of Mizu Aka and Kurozumi Ochiru (trade name) and Toilet Edge Clean (trade name) manufactured by Imedia Co., Ltd., and the components shown in Table 1. The following detergency evaluation tests were conducted using the three types of detergents as samples. Each component was as follows.

Sample 1: Water Red / Black Black Ochiru Cleaning component Polyoxyalkylene alkyl ether 3% by weight
Palm oil fatty acid alkanolamide 0.5% by weight
Disinfectant component Dialkyldimethylammonium chloride 0.5% by weight
Viscosity modifier Isopropanol 2% by weight
Polyacrylate 0.5% by weight
Dye 0.5% by weight
Fragrance 0.5% by weight
Purified water 92.5% by weight
Light blue transparent viscous liquid Neutral pH 7.0 ± 1.0 (25 ° C)

Sample 2: Toilet edge clean Cleaning ingredient Fatty acid alkanolamide 4% by weight
Coconut oil and fat amino acid salt 0.75% by weight
Coconut oil fatty acid salt 0.75% by weight
Cleaning aid Silicate 0.75% by weight
Urine stone decomposition component Glycol solvent 7% by weight
Fragrance D-limonene 0.75% by weight
Chelating agent edetate 0.5% by weight
Purified water 85.5% by weight
Alkaline pH 10.3 ± 0.5

Sample 3: Cleaning agent in aerosol type toilet rim of the present invention Cleaning component Polyoxyalkylene alkyl ether 2% by weight
Alkyldimethylamine oxide 8% by weight
Alkyl polyglucoside 3% by weight
Alkylaminoacetic acid betaine 6% by weight
Disinfectant component Dialkyldimethylammonium chloride 0.5% by weight
Urine stone decomposition component Glycolic acid 2% by weight
Water softening ingredient Trisodium nitrilotriacetate 1% by weight
Wet / wash auxiliary ingredient Glycerin 10% by weight
1% by weight of dye
Fragrance 1% by weight
Purified water 65.5% by weight
Blue transparent liquid Weakly acidic pH 4.0 (20 ° C)

[Evaluation Test 1]
(1) Preparation method of artificial dirt (with reference to urinary stone components)
3 g of sodium phosphate, 1 g of oxalic acid, 4 g of anhydrous calcium chloride, 0.6 g of agar medium, 0.3 g of gelatin, 0.2 g of sodium carbonate, 1.2 g of fine powder dust, and coloring are sequentially put in water and heated to organic matter. The mixture was thoroughly stirred until completely dissolved, and a 100 g mixed solution was prepared.

(2) Method for applying artificial dirt The artificial dirt prepared by the above formulation was applied as uniformly as possible on the surface of a ceramic tile (45 mm x 45 mm x 6 mm), and the tile was dried with a hair dryer. This operation was repeated 4 times. Next, it was placed in a constant temperature dryer at 50 ° C. and left to solidify for about 1 week. The tile prepared by this method was used for the following detergency evaluation tests.

(3) Cleaning method 35 g (± 0.1 g) of each sample was placed in a 100 ml beaker. Each of the tiles prepared by the above method (weighed precisely, ± 0.001 g) was put in a beaker and half-dipped at room temperature. After 1 hour, the tile was taken out and placed in a 60 ° C. dryer to dry. Next, the dried tile was precisely weighed, and the dirt removal rate (cleaning rate) was calculated by the following formula. This cleaning test was repeated 8 times, the average value of the data was calculated, and the cleaning power of the three types of samples was evaluated. The evaluation results are shown in Table 3.

Washing amount (g) = AB
Cleaning rate (%) = [(A−B) / (A−C)] × 100
In the above formula, A is the weight (g) of the tile before immersion,
B is the weight of the tile after immersion (g),
C is the tile's own weight (g).

  From the results shown in Table 3, it can be seen that the acidic type cleaning agent of the present invention had a better cleaning rate than the alkaline type toilet edge clean. In addition, the equivalent result was obtained even with the acidic type cleaning agent of the present invention having the composition shown in Table 2.

[Evaluation Test 2]
Of the above-mentioned cleaning agents, water red / black-zum odor and toilet edge clean were filled into high-purity aluminum cans manufactured by Toyo Seikan Co., Ltd. using LPG, respectively, and comparative aerosol cleaning agents 1 and 2 were used. Produced. Further, the cleaning agent of the present invention is filled in a high-purity aluminum can manufactured by Toyo Seikan Co., Ltd. using LPG and coated on the inner surface with a polyamideimide resin, and the inside of the aerosol toilet rim of the present invention is filled. A cleaning agent was prepared.

  When these comparative aerosol cleaners 1 and 2 and the aerosol type toilet rim cleaner of the present invention were stored in an environment of 40 ° C. for 1 month and 3 months, neither aluminum can corrode, It showed the same corrosion resistance. In addition, the equivalent result was obtained also in the aerosol can produced using the acidic type cleaning agent of the present invention having the composition shown in Table 2.

  The aerosol type toilet rim cleaning agent of the present invention can be suitably used for cleaning a place where the cleaning agent and the brush are difficult to reach and difficult to clean, such as the inner side (back side of the edge) of the toilet rim.

DESCRIPTION OF SYMBOLS 10 Aerosol cleaning agent 20 Aerosol container 24b Injecting port 24c Injecting tube 26 Protective film 30 Cleaning agent 40 Injecting agent

Claims (1)

A detergent with pH 4.3 ± 0.3 containing glycolic acid and trisodium nitrilotriacetate ;
A propellant,
An aerosol container made of aluminum having an inner surface covered with a protective film made of polyamide-imide resin and filled with the cleaning agent and the propellant;
Providing
Aerosol type flights instrument rim the cleaning agent characterized.

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